Kerosene-carbureter.



KERUSENE CAREUREYER,

APNIC/mow FILED :uw 9,1913.

Paembe Aug; 1?',

per'

" sraras rafranr omen.,

FRANK N. PERCIVAL .AND WILLIAM PATTERSON, OF CHICAGO, ELLINOIS.

KEROSENE-CARBURETER.

Specication of Letters latent.

Patented Aug'. 17, 1915.

Application lcd July 9, 1913. 4Serial No. 778,009.

To all whom it may concern:

Be known that we, FRANK N. PnRcIvAL and WILLIAM PA'rrERsoN, citizens of the United States, residing at Chicago, in the county of Cook and State of Illinois, have invented a certain inew and useful Improvement .in Kerosene-Uarbureters, ofwhich the followingA is a specification.

This invention relates to carbureters used "apen gas engines, particularly for use upon automobiles and tractor engines, in which kerosene, paraffin, or other substances less volatile than gasolene are to be' used as a fuel.

The 4object of the invention is to provide such a carbureter which will readily convert such fuels into condition where they may be readily taken up by the air passing through the carbureter. v v

The invention consists in a device capable of, carrying out the foregoing objects which can be easily and cheaply made, installed and operated and particularly one which may be used in starting a cold engine.

More in detail the invention consists in a carbureter equipped with heating means, more particularly an electric heating means, for rendering the fuel materials readily usable.

It also consists in means' for regulating and controlling the supply of fuel material to the heating means and in other details to he hereafter described. v

In the drawings, Figure 1 is a sectional detail view through a device illustrating this invention in its preferred form. Fig. 2 is a sectional detail view on the line 2 2 of Fig. 1.

The carbureter has an exterior casing hzving siiitaole means for support on an engine, such for instance as the flanges 12 about the top opening Hommell/communicating with the suction or intake pipe @(iiot shown) of an engine. rThis opening is closable by'I any convenient sort of a valve 16, pivoted for instance at 17 and operated by a lever 18. The .lower portion of the carbureter body 10 has a contracted neck. in ,which the end 22 of the fuel nozzle 24: is

inserted as shown i'n the drawings so thatthere is a. restricted passageway between them. The nozzle 211- enters the lower portion of the casing 10 through a suitable opening, provided for the purpose, closed by a bushing and packing ring device 26 of any suitable form. The upper end of the fuel nozzle 2i is provided with at least one perforation Q8 through which fuel material is delivered into the carbureter.

Extending through the central upper portion of the carbureter body 10 is a tubular passageway 30, having at one side an entrance port 31, and at .the pther side a discharge port Closely fitted into this passageway 30 is a radiator device comprising two perforated heads 34 connected by a plurality of'tubes 36 clearly shown in Fig. 2. for the passage of air. The discharge port 32 is connected by a suitable pipe 38 to an air port or passageway 40 located on the side of the carbureter body 10 and below the restricted passageway 2O heretofore referred to. y

' The result of the foregoing construction is that when air is drawn by any Suitable means, into the entrance port 3l, it passes from that port through thetubes 36, the pipe 38 and the passageway 30 into the space tl2 in the interior of the carbureter below the restricted opening 2O from which position it passes through that opening upward through the chamber 44C into the upper portion of the interior of the carburetor around the outside of the pipes 36 and thence out of the discharge port Minto the engine." It will also be seen 'that if fuel material of a higher temperature than the incoming air be inserted in and delivered from the fuel nozzle 24, the passing air will acquire heat both from Contact with the exterior wall of the fuel nozzle 24 and by contact with` the liquid fue.lv sucked through the discharge port 28 and be thus raised to a higherftemperature than the air entering the port 31,

with the result that this mixture contacting the exterior portions of the pipes 36, warms them and consequently the incoming air which passes through the interiors of said pipes 36, that is to say, the incoming air passing through the insides of the pipes 3G' is warmed. somewhat before it reaches the opening 20 and thus does not require so much heat at that point to raise it-to proper temperatilre for efficient working.

In order to supply hot fuel material in' side of the fuel nozzle 24 Without waste of energy, an electric heating device is pro` vided inside the fuel nozzle.

ing boX devices 52,'there being placed With-V .in the'tube 50 rods 54 and 56 connected be- -24about the tube 50.

tween their ends'by suitable resistance wire 58 so that when electric'current is passed. from any suitable source, as for instance an' ordinary battery or storage battery, through the vWires 59 connected to the terminals 60 of the rods 54 and 56, the resistance device inside the tube 50 becomes hot and thus deL livers heat to the fuel material `which is inside of and passing through the fuel nozzle The fuel for the nozzle 24 is introduced through suitable piping 62 `leading to a regulatin tank 64 which is in turn supplied with t e fuel by a pipe 66 having, if desired, a suitable. drainage cock 68.

Slidably mounted in thev end portion of, the pipe 66 and through the tankl 64 is a valve rod' 70 having on its lowerend a ball 7l normally seating in the angularvalve seat 74. Rigidly secured to the'rod 70 is a float 75 adjustable up and down the rod by screw threaded nuts 78 thereon. The tank 464 is closed by a cover 72 from which rises a support 73 on which is pivoted a levei` member 76 one end engaging the upper end of the rod 70 and the other end being connected to a pull wire or rod 78. The lever 76 is normally held in the position shown in the drawings vby a suitable spring 80. i

Inserted through the cover 72 is preferably' an electrical heating device 82 of anyl suitable construction such for instance as' that which is contained within the fuel nozzle 24. This heating device is sup lied with electric current by a source of e ectric energy connecting to Wires 84. The float 75 is so shaped as shown that it clears the electric heater 82 and therefore', the float can move up and down without interference with the heater.

In the operation of the device, liquid fuel from any suitable device is constantly supplied to pipe 66 and when the operator pulls upward on the rod 78 to rotate the lever-'76 in a clockwise'direction thereby de ressing lthe. rod and ball 71 -so that s id ball olears the valve seat 74 said'liquigi. asses around the ball 71 and the rod 70.(in o the interior of tank 64 in which said liqiiid rises to the height indicated bythe line m-.m Fig. 1. Float is so adjusted .that when the liquid in the chamber 64 does thus `rise to the height of the line .z-zv, the float will obviously move upward 4to the position shown inthe drawings in which the valve 7 1' is seated upon its seat 74 and the supply will iiow through the pipe 62 into the fuelnozzle 24 and surroundthe cylinder 50 with the heating device therein and -thatit will risein 'said fuel nozzle'to the exact yheight of the liquid inthe 'chamber '6 4 andv the deere 'vice-is therefore, V:so-adjusted that the liquid willthus risein the fuelnozzle 24 to the height of the line :l1-m or -theftop ofthe nozzle Vbefore the oat75 causes the valve.

71 to' close. In other words, theoat 75 is so adjustedthat the liquid can never over- Y iowthe topA ofthe fuel nozzle724 and flow out of the opening or openings .28 therein While on the other hand ifa sufficient pres- -suie ofjfuel liquid is provided in the pipe 66 the liquid will always be maintained in .the fuel nozzle'at the height of the line :v4-HQ When now the liquid has been turned intothe pipe 66 and has thus passed' through the chamber 64 to the top of thev fuel nozzle 24 and; electric current has been supplied to the. heatingrdeviee within the fuel nozzle, it is obvious that the fuel in the fuel nozzle will.

resulting mixing of the air and -liquid fuel. vieusly heated.' in` the manner described passes upward around the outsides of the radiator pipes 36 and thence through the exit passageway 14 into 'the engine. l actual practice it is found that by turning the fuel, e., kerosene into the device andy starting theheater in the ,fuel nozzle and This mixture of air dnd fuel 'proef allbwing theapparatus to stand in this condition vfor one minute before the engine is cranked to draw in the a1r,-the kerosene can be used satisfactorily in the starting of 'a cold engine. i

A supplementary valve device Banormally held on its seat 85 by a spring 86 may: be provided, if desired, to to the mixing chamber. 4

'The heating de vice 82 operette to par tially heat the fuel in the: chamber '.64 hefore passing into the fuel nozzle 24 thereby `reducing the work required 'of the heatingA device within said fuel nozzle,v

' If desired a supplemental electric `heater suppliedby'wires 102 may be installed in connection with the pipes 36 to heat both the incoming air andthe mixture moving away from nozzle 22. This is'ozf` assistance in starting.

It will be noticed that the use ofthe tube 50 inside the nozzle 24 as thecontainer for the heater affords a maximum size heating surface inside the nozzle for contact by the -admit air l :medew passing oil, thus enabling the device to give more satisfactory results than where the l liquid is passed through a small passageway in the center of the heater. y

aving thus described our invention, what we claim as new and desire to secure by Leb n ters Patent, is:

1. A carbureter including a carbureting -chamber through which air is adapted to pass, and a fuel nozzle entering the chamberso 1as to discharge Combustible material into the passing air, means for heating the combustible material as it is discharged in the carbhreter, and means conducting air to the carbureter nozzle located in the path of the discharge from said nozzle so that the incoming air iswarmed by the material discharged from the nozzle, for the purposes Set forth.

2. In a device of the class described, a

carbureter having a casing provided with a discharge port adapted to beconnected to the intake of an engine, an air entrance port for admitting air to a carbureting chamber within theLcasing through a restricted opening 20, an air pipe or passageway between said restricted opening 20 and. said discharge `port including radiator pipes-passing thrqugh the carbureter body and thence connected to said entrance port of the carbu-' reter, a fuel nozzle entering the carbureter tially as shown and desa-ibm for che parposes set forth. fr 1 In witness whereof we have hereunto subscribed our names 1n the presence of two witnesses.

FRANK N. PERCIVAL. WILLIAM PATTERSON.

`Witnessesz. i DWIGHT B. CHEEVER,

MARABET D. ROBE.

4@ parts being arranged and disposed substan' l 

